Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

Dreams don't work unless you do.

The bad news is time flies, the good new is that you're the pilot.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

If you fail, next time fail better.

Shoot for the moon and even if you miss you’ll land among the stars/

Success is not final, failure is not fatal.  It is the courage to continue that counts.

We learn more from failure than we do from success.

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Pure mathematics is in its way, the poetry of logical ideas.

You're not in competition with anyone but yourself. Outdo your past, not other people.

I can is 100 times more important than IQ.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

A hero is no braver than an ordinary man, but he is braver five minutes longer.